Development of Mass Media By Mitchkinzer Sep 20, 1450 Printing Press Period: Sep 20, 1450 to Nov 7, 2025 Mass Media Changing Sep 16, 1890 Edison Phonograph Jun 20, 1920 Radio stations in the USA Sep 7, 1927 Television 1979 Sony Walkman 1990 The Internet 1993 First Text !! 2001 The IPod 2003 iTunes Store opened 2004 Facebook was created
